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43-222b.fm Page 1 Thursday, August 12, 1999 3:55 PM
Cat. No. 43-222B
OWNER’S MANUAL
Please read before using this equipment
Two-Station Wired
Intercom System
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43-222b.fm Page 2 Thursday, August 12, 1999 3:55 PM FEATURES Your RadioShack Two-Station Wired Intercom Sys- tem is ideal for home, office, and shop applications. It is also convenient for monitoring activities in an- other part of the house, such as a baby’s room. The system includes one master station and one re- mote station, with a 66-foot (20m) interconnection cable and staples for fastening the cable to a wall, floor, or baseboard. Your system’s features include: Master Station Volume C
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43-222b.fm Page 3 Thursday, August 12, 1999 3:55 PM Efficient Speaker/Microphone — gives you clear sound with minimal background noise. Note: You need one 9-volt battery (not supplied) to power your intercom system. 3
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43-222b.fm Page 4 Thursday, August 12, 1999 3:55 PM INSTALLATION INSTALLING A BATTERY Your intercom system uses one 9-volt battery for power. For the best performance and longest life, we recommend an alkaline battery, such as Ra- dioShack Cat. No. 23-553. Caution: Use only a fresh battery of the required size and recommended type. 1. With the master station (the unit with the vol- ume control) face up, open its case by inserting a coin into the slot between the top and bottom of the case and
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43-222b.fm Page 5 Thursday, August 12, 1999 3:55 PM 2. Snap the battery connector over the 9V bat- tery’s terminals. 3. Put the battery inside the case on top of the foam cushioning material. 4. Snap the case halves together. Cautions: • Always remove old or weak batteries. Batteries can leak chemicals that can destroy electronic parts. • Dispose of an old battery promptly and prop- erly. Do not burn or bury it. 5
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43-222b.fm Page 6 Thursday, August 12, 1999 3:55 PM CONNECTING THE STATIONS Choose the most convenient locations for the mas- ter and remote stations. You can place them on a desk or shelf, or mount them on a wall. Plug the connector on one end of the supplied 66- foot-long cable into the remote station’s jack. Plug the connector on the other end of the cable into the master station’s jack. 6
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43-222b.fm Page 7 Thursday, August 12, 1999 3:55 PM Notes: • Be sure to route the cable so it will not be pinched by doors or stepped on. Use the supplied mounting staples to hole the cable in place. Simply position the cable between the prongs of each staple you need, then gently tap the staple with a hammer until the staple’s gray coating touches the wall. • To install the stations farther than 66 feet apart, you can make a connecting cable of 22 gauge 1 wire (Cat. No. 278-862) and two /8-i
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43-222b.fm Page 8 Thursday, August 12, 1999 3:55 PM Wall Mounting For wall mounting, you need two flat-head screws (not supplied) with heads that fit into the keyhole slots on the bottom of the base. 5 5 /32" Drill two holes 2 /8 inches (67 mm) apart. Then thread a screw into 5/32"(4 mm) each hole, letting the heads ex- 5 tend about /32 inch (4 mm) from 2 5/8" 5 2 /8" 67 mm) the wall. Align the keyhole slots with the mounting screws and slide the sta- tion downward to secure it. 8
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43-222b.fm Page 9 Thursday, August 12, 1999 3:55 PM OPERATION USING THE MASTER STATION Speaker/ Microphone PUSH TO TALK Button VOLUME Control To send a loud tone to the remote station, be sure VOLUME is set to OFF. Then press PUSH TO TALK. To talk from the master station, rotate VOLUME to the left until it clicks, then hold down PUSH TO TALK and speak in a normal voice. Release PUSH TO TALK to hear the response. Rotate VOLUME to the left or right to increase or decrease the listening lev- el.
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43-222b.fm Page 10 Thursday, August 12, 1999 3:55 PM To save battery power, set VOLUME to OFF when you finish using the intercom system. To monitor activity around the remote station, rotate VOLUME to the left until it clicks. Adjust VOLUME as necessary to hear sounds through your master sta- tion’s speaker. USING THE REMOTE STATION Speaker/ Microphone CALL Button To send a loud tone to the master station, press CALL. 10
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43-222b.fm Page 11 Thursday, August 12, 1999 3:55 PM To talk from the remote station, speak in a normal voice. Listen to hear the response from the master station. Notes: • The master station must be turned on for the remote station to work. • Do not press CALL while talking or listening to the master station. 11
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43-222b.fm Page 12 Thursday, August 12, 1999 3:55 PM CARE To enjoy your RadioShack Two-Station Wired Inter- com System for a long time: • Keep the system dry. if it gets wet, wipe it dry immediately. • Use and store the system only in normal tem- perature environments. • Handle the system gently and carefully. Don’t drop it. • Keep the system away from dust and dirt. • Wipe the system with a damp cloth occasion- ally to keep it looking new. Modifying or tampering with the intercom system’s in
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43-222b.fm Page 13 Thursday, August 12, 1999 3:55 PM THE FCC WANTS YOU TO KNOW Your intercom system might cause TV or radio inter- ference even when it is operating properly. To deter- mine whether your system is causing the interference, turn it off. If the interference goes away, your system is causing it. Try to eliminate the interference by: • Moving your system away from the receiver • Contacting your local RadioShack store for help 13
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43-222b.fm Page 14 Thursday, August 12, 1999 3:55 PM SPECIFICATIONS Receiver Input Sensitivity at Output 50 mW .............. 200 μV Output Power at 10% Distortion .............. 300 mW Frequency Response (–6 dB at VR max.): 600 Hz–4000 Hz Transmitter Mic. Sensitivity at Output 50 mW ............... 200 μV Output Power at 10% Distortion ............... 160 mW Frequency Response (–6 dB at VR max.): 600 Hz–4000 Hz General Dimensions: 1 1 1 Stations (HWD) ............. 4 /8 × 3 /3 × 1 /2 Inches
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43-222b.fm Page 15 Thursday, August 12, 1999 3:55 PM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for ninety (90) days from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and deal- ers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPO
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43-222b.fm Page 16 Thursday, August 12, 1999 3:55 PM (Continued) parts and products are warranted for the remainder of the original warranty period. You will be charged for repair or replace- ment of the product made after the expiration of the warranty period. This warranty does not cover: (a) damage or failure caused by or at- tributable to acts of God, abuse, accident, misuse, improper or abnor- mal usage, failure to follow instructions, improper installation or maintenance, alteration, li
